fine structure constant, \(\alpha\)

https://doi.org/10.1351/goldbook.F02389
Atomic fundamental physical constant, \(\alpha =\frac{\mu _{0}\ e^{2}\ c_{0}}{2\ h} = 7.297\ 353\ 08\ \left(33\right)\times 10^{-3}\), where \(\mu _{0}\) is the @[email protected], \(e\) the @[email protected], \(h\) the @[email protected], and \(c_{0}\) the speed of light.
Source:
CODATA Bull. 1986, 63, 1 [Terms] [Book]